ld/scripttempl/avr.sc

   1 # Copyright (C) 2014-2015 Free Software Foundation, Inc.
   2 #
   3 # Copying and distribution of this file, with or without modification,
   4 # are permitted in any medium without royalty provided the copyright
   5 # notice and this notice are preserved.
   6
   7 cat <<EOF
   8 /* Copyright (C) 2014-2015 Free Software Foundation, Inc.
   9
  10    Copying and distribution of this script, with or without modification,
  11    are permitted in any medium without royalty provided the copyright
  12    notice and this notice are preserved.  */
  13
  14 OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
  15 OUTPUT_ARCH(${ARCH})
  16
  17 MEMORY
  18 {
  19   text   (rx)   : ORIGIN = 0, LENGTH = $TEXT_LENGTH
  20   data   (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH
  21   eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
  22   fuse      (rw!x) : ORIGIN = 0x820000, LENGTH = 1K
  23   lock      (rw!x) : ORIGIN = 0x830000, LENGTH = 1K
  24   signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K
  25 }
  26
  27 SECTIONS
  28 {
  29   /* Read-only sections, merged into text segment: */
  30   ${TEXT_DYNAMIC+${DYNAMIC}}
  31   .hash        ${RELOCATING-0} : { *(.hash)             }
  32   .dynsym      ${RELOCATING-0} : { *(.dynsym)           }
  33   .dynstr      ${RELOCATING-0} : { *(.dynstr)           }
  34   .gnu.version ${RELOCATING-0} : { *(.gnu.version)      }
  35   .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)  }
  36   .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)  }
  37
  38   .rel.init    ${RELOCATING-0} : { *(.rel.init)         }
  39   .rela.init   ${RELOCATING-0} : { *(.rela.init)        }
  40   .rel.text    ${RELOCATING-0} :
  41     {
  42       *(.rel.text)
  43       ${RELOCATING+*(.rel.text.*)}
  44       ${RELOCATING+*(.rel.gnu.linkonce.t*)}
  45     }
  46   .rela.text   ${RELOCATING-0} :
  47     {
  48       *(.rela.text)
  49       ${RELOCATING+*(.rela.text.*)}
  50       ${RELOCATING+*(.rela.gnu.linkonce.t*)}
  51     }
  52   .rel.fini    ${RELOCATING-0} : { *(.rel.fini)         }
  53   .rela.fini   ${RELOCATING-0} : { *(.rela.fini)        }
  54   .rel.rodata  ${RELOCATING-0} :
  55     {
  56       *(.rel.rodata)
  57       ${RELOCATING+*(.rel.rodata.*)}
  58       ${RELOCATING+*(.rel.gnu.linkonce.r*)}
  59     }
  60   .rela.rodata ${RELOCATING-0} :
  61     {
  62       *(.rela.rodata)
  63       ${RELOCATING+*(.rela.rodata.*)}
  64       ${RELOCATING+*(.rela.gnu.linkonce.r*)}
  65     }
  66   .rel.data    ${RELOCATING-0} :
  67     {
  68       *(.rel.data)
  69       ${RELOCATING+*(.rel.data.*)}
  70       ${RELOCATING+*(.rel.gnu.linkonce.d*)}
  71     }
  72   .rela.data   ${RELOCATING-0} :
  73     {
  74       *(.rela.data)
  75       ${RELOCATING+*(.rela.data.*)}
  76       ${RELOCATING+*(.rela.gnu.linkonce.d*)}
  77     }
  78   .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)        }
  79   .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)       }
  80   .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)        }
  81   .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)       }
  82   .rel.got     ${RELOCATING-0} : { *(.rel.got)          }
  83   .rela.got    ${RELOCATING-0} : { *(.rela.got)         }
  84   .rel.bss     ${RELOCATING-0} : { *(.rel.bss)          }
  85   .rela.bss    ${RELOCATING-0} : { *(.rela.bss)         }
  86   .rel.plt     ${RELOCATING-0} : { *(.rel.plt)          }
  87   .rela.plt    ${RELOCATING-0} : { *(.rela.plt)         }
  88
  89   /* Internal text space or external memory.  */
  90   .text ${RELOCATING-0} :
  91   {
  92     *(.vectors)
  93     KEEP(*(.vectors))
  94
  95     /* For data that needs to reside in the lower 64k of progmem.  */
  96     ${RELOCATING+ *(.progmem.gcc*)}
  97
  98     /* PR 13812: Placing the trampolines here gives a better chance
  99        that they will be in range of the code that uses them.  */
 100     ${RELOCATING+. = ALIGN(2);}
 101     ${CONSTRUCTING+ __trampolines_start = . ; }
 102     /* The jump trampolines for the 16-bit limited relocs will reside here.  */
 103     *(.trampolines)
 104     ${RELOCATING+ *(.trampolines*)}
 105     ${CONSTRUCTING+ __trampolines_end = . ; }
 106
 107     ${RELOCATING+ *(.progmem*)}
 108
 109     ${RELOCATING+. = ALIGN(2);}
 110
 111     /* For future tablejump instruction arrays for 3 byte pc devices.
 112        We don't relax jump/call instructions within these sections.  */
 113     *(.jumptables)
 114     ${RELOCATING+ *(.jumptables*)}
 115
 116     /* For code that needs to reside in the lower 128k progmem.  */
 117     *(.lowtext)
 118     ${RELOCATING+ *(.lowtext*)}
 119
 120     ${CONSTRUCTING+ __ctors_start = . ; }
 121     ${CONSTRUCTING+ *(.ctors) }
 122     ${CONSTRUCTING+ __ctors_end = . ; }
 123     ${CONSTRUCTING+ __dtors_start = . ; }
 124     ${CONSTRUCTING+ *(.dtors) }
 125     ${CONSTRUCTING+ __dtors_end = . ; }
 126     KEEP(SORT(*)(.ctors))
 127     KEEP(SORT(*)(.dtors))
 128
 129     /* From this point on, we don't bother about wether the insns are
 130        below or above the 16 bits boundary.  */
 131     *(.init0)  /* Start here after reset.  */
 132     KEEP (*(.init0))
 133     *(.init1)
 134     KEEP (*(.init1))
 135     *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */
 136     KEEP (*(.init2))
 137     *(.init3)
 138     KEEP (*(.init3))
 139     *(.init4)  /* Initialize data and BSS.  */
 140     KEEP (*(.init4))
 141     *(.init5)
 142     KEEP (*(.init5))
 143     *(.init6)  /* C++ constructors.  */
 144     KEEP (*(.init6))
 145     *(.init7)
 146     KEEP (*(.init7))
 147     *(.init8)
 148     KEEP (*(.init8))
 149     *(.init9)  /* Call main().  */
 150     KEEP (*(.init9))
 151     *(.text)
 152     ${RELOCATING+. = ALIGN(2);}
 153     ${RELOCATING+ *(.text.*)}
 154     ${RELOCATING+. = ALIGN(2);}
 155     *(.fini9)  /* _exit() starts here.  */
 156     KEEP (*(.fini9))
 157     *(.fini8)
 158     KEEP (*(.fini8))
 159     *(.fini7)
 160     KEEP (*(.fini7))
 161     *(.fini6)  /* C++ destructors.  */
 162     KEEP (*(.fini6))
 163     *(.fini5)
 164     KEEP (*(.fini5))
 165     *(.fini4)
 166     KEEP (*(.fini4))
 167     *(.fini3)
 168     KEEP (*(.fini3))
 169     *(.fini2)
 170     KEEP (*(.fini2))
 171     *(.fini1)
 172     KEEP (*(.fini1))
 173     *(.fini0)  /* Infinite loop after program termination.  */
 174     KEEP (*(.fini0))
 175     ${RELOCATING+ _etext = . ; }
 176   } ${RELOCATING+ > text}
 177
 178   .data        ${RELOCATING-0} :
 179   {
 180     ${RELOCATING+ PROVIDE (__data_start = .) ; }
 181     *(.data)
 182     ${RELOCATING+ *(.data*)}
 183     *(.rodata)  /* We need to include .rodata here if gcc is used */
 184     ${RELOCATING+ *(.rodata*)} /* with -fdata-sections.  */
 185     *(.gnu.linkonce.d*)
 186     ${RELOCATING+. = ALIGN(2);}
 187     ${RELOCATING+ _edata = . ; }
 188     ${RELOCATING+ PROVIDE (__data_end = .) ; }
 189   } ${RELOCATING+ > data ${RELOCATING+AT> text}}
 190
 191   .bss ${RELOCATING+ ADDR(.data) + SIZEOF (.data)} ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
 192   {
 193     ${RELOCATING+ PROVIDE (__bss_start = .) ; }
 194     *(.bss)
 195     ${RELOCATING+ *(.bss*)}
 196     *(COMMON)
 197     ${RELOCATING+ PROVIDE (__bss_end = .) ; }
 198   } ${RELOCATING+ > data}
 199
 200   ${RELOCATING+ __data_load_start = LOADADDR(.data); }
 201   ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
 202
 203   /* Global data not cleared after reset.  */
 204   .noinit ${RELOCATING-0}:
 205   {
 206     ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
 207     *(.noinit*)
 208     ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
 209     ${RELOCATING+ _end = . ;  }
 210     ${RELOCATING+ PROVIDE (__heap_start = .) ; }
 211   } ${RELOCATING+ > data}
 212
 213   .eeprom ${RELOCATING-0}:
 214   {
 215     /* See .data above...  */
 216     KEEP(*(.eeprom*))
 217     ${RELOCATING+ __eeprom_end = . ; }
 218   } ${RELOCATING+ > eeprom}
 219
 220   .fuse ${RELOCATING-0}:
 221   {
 222     KEEP(*(.fuse))
 223     KEEP(*(.lfuse))
 224     KEEP(*(.hfuse))
 225     KEEP(*(.efuse))
 226   } ${RELOCATING+ > fuse}
 227
 228   .lock ${RELOCATING-0}:
 229   {
 230     KEEP(*(.lock*))
 231   } ${RELOCATING+ > lock}
 232
 233   .signature ${RELOCATING-0}:
 234   {
 235     KEEP(*(.signature*))
 236   } ${RELOCATING+ > signature}
 237
 238   /* Stabs debugging sections.  */
 239   .stab 0 : { *(.stab) }
 240   .stabstr 0 : { *(.stabstr) }
 241   .stab.excl 0 : { *(.stab.excl) }
 242   .stab.exclstr 0 : { *(.stab.exclstr) }
 243   .stab.index 0 : { *(.stab.index) }
 244   .stab.indexstr 0 : { *(.stab.indexstr) }
 245   .comment 0 : { *(.comment) }
 246   .note.gnu.build-id : { *(.note.gnu.build-id) }
 247 EOF
 248
 249 . $srcdir/scripttempl/DWARF.sc
 250
 251 cat <<EOF
 252 }
 253 EOF